Serosity
n. 浆液性, 如水液体, 浆液\\n[医] 浆液性
🗣️ 情景例句
I'd better unpack.
我还是先把行李打开吧。
There must be someone behind the door.
门后必然有人在。
There was another unknown man.
还有一个不认识的人。